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input: qcom-hv-haptics: fix out of bound of FIFO samples array

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When calculating play length for FIFO play, it is out of bound
of the FIFO samples array. Fix it.

Change-Id: I8ad458802a0070f493ac53160ab90a6cf648d9e7
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
This commit is contained in:
Fenglin Wu 2020-12-08 16:49:43 +08:00 committed by David Collins
parent 883ca13501
commit 19b7ad347f
1 changed files with 1 additions and 1 deletions
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2
drivers/input/misc/qcom-hv-haptics.c
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@ -675,7 +675,7 @@ static int get_fifo_play_length_us(struct fifo_cfg *fifo, u32 t_lra_us)
if (!fifo)
return -EINVAL;
for (i = fifo->num_s; i > 0; i--)
for (i = fifo->num_s - 1; i > 0; i--)
if (fifo->samples[i] != 0)
break;